CN1922119A - Sintered compact - Google Patents
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- CN1922119A CN1922119A CNA200580005547XA CN200580005547A CN1922119A CN 1922119 A CN1922119 A CN 1922119A CN A200580005547X A CNA200580005547X A CN A200580005547XA CN 200580005547 A CN200580005547 A CN 200580005547A CN 1922119 A CN1922119 A CN 1922119A
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- 239000000203 mixture Substances 0.000 claims abstract description 87
- 239000000463 material Substances 0.000 claims abstract description 84
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 54
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000005245 sintering Methods 0.000 claims abstract description 35
- 239000003870 refractory metal Substances 0.000 claims abstract description 25
- 150000002736 metal compounds Chemical class 0.000 claims abstract description 23
- 229910052582 BN Inorganic materials 0.000 claims abstract description 15
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 15
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000007787 solid Substances 0.000 claims abstract description 10
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims description 66
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- 238000000034 method Methods 0.000 claims description 46
- 150000001875 compounds Chemical class 0.000 claims description 41
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 21
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- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 4
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 229910033181 TiB2 Inorganic materials 0.000 description 2
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 description 2
- XGNZNBRDPPLKTC-UHFFFAOYSA-N aluminium diboride Chemical compound [Al]1B=B1 XGNZNBRDPPLKTC-UHFFFAOYSA-N 0.000 description 2
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- 239000004698 Polyethylene Substances 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910010037 TiAlN Inorganic materials 0.000 description 1
- 229910001037 White iron Inorganic materials 0.000 description 1
- JXOOCQBAIRXOGG-UHFFFAOYSA-N [B].[B].[B].[B].[B].[B].[B].[B].[B].[B].[B].[B].[Al] Chemical compound [B].[B].[B].[B].[B].[B].[B].[B].[B].[B].[B].[B].[Al] JXOOCQBAIRXOGG-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001399 aluminium compounds Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000000181 anti-adherent effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 239000012535 impurity Substances 0.000 description 1
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- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
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- 239000011819 refractory material Substances 0.000 description 1
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
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- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/583—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on boron nitride
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- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23B2224/00—Materials of tools or workpieces composed of a compound including a metal
- B23B2224/28—Titanium carbide
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- B23B2224/00—Materials of tools or workpieces composed of a compound including a metal
- B23B2224/32—Titanium carbide nitride (TiCN)
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- B23B2226/125—Boron nitride cubic [CBN]
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Abstract
A sintered cubic boron nitride (cBN) compact for use in a tool is obtained by sintering a mixture of (i) cubic boron nitride, (ii) aluminum oxide, (iii) one or more refractory metal compounds, and (iv) aluminum and/or one or more non-oxide aluminum compounds. The sintered bodies may have sufficient strength and toughness to be used as a tool material in solid, i.e. not carbide supported, form, and may be useful in heavy machining of cast irons.
Description
Related application and priority request
The application requires that submit, U.S. Provisional Patent Application number 60/546,669 right of priority on February 20th, 2004, and it is for reference that it is attached to this paper.
Technical field
The description that this paper comprises relates generally to cutting, mill (milling), and/or turning (turning) instrument.More particularly, described description relates generally to cubic boron nitride (cBN) superabrasive tool (superabrasive tool) and makes and use their method.
Background technology
The hardness of cubic boron nitride (cBN) is greater than all known materials except diamond.Yet cBN more is not easy to react with iron (ferrous material) than diamond.Therefore, it is widely used in the material removal of iron-base workpiece is used.Agglomerating polycrystal cubic boron nitride (PCBN) material is well-known in the art and is widely used in iron-based machining (ferrous machining) application.
Can be divided into two wide material types to PCBN composite members (compact).The first kind, it is a feature with the high relatively cBN percent by volume more than or equal to 70%, is widely used in the pig-casting machine processed and applied.For example, all be attached to this paper U.S. Patent number 3,743,489 as a reference, describe a kind of tough and tensile cBN sintered compact, between the metal adhesive of cBN particle and filling Inter-particulate spaces (intergranular space), had direct combination (bonding).Second class is a feature to be dispersed in the lower cBN percent by volume (being less than 70%) of vitrified bond in mutually.Be widely used in the embodiment of this second type of hardened steel turning, can find in the U.S. Patent number 4,334,928 of authorizing people such as Hara, this patent all is attached to this paper as a reference.Vitrified bond can comprise the IVa of periodictable and the carbide of Va family metal, nitride, and/or boride mutually.This PCBN of two types obtains commercial with the unsupported form of solid with the form of tungsten carbide supported, is used to make cutting tool (cutting tool) and instrument inserts (tool insert).
Although the progress of prior art, the cast iron of some kinds, and white pig iron particularly remain very difficulty and expensive material for machining.In the heavy machine process operation of the white pig iron foundry goods of bulk, use very large depth of cut, meet or exceed 0.10 inch.These extreme machining conditions need the tool material of especially tough and tensile and abrasion resistance.Described situation is because chemistry between instrument and the workpiece and adhesion wear mechanism and more complicated.Many cast irons comprise at cBN and have more reactive element than iron.For example, in many white pig iron foundry goods, find level to reach the chromium of 34 weight-%.This chemical abrasion mechanism has been expressed more demands on tool material.
Current, the PCBN of the high cBN content of solid form is the most successful kind in the employed PCBN material in cast iron heavy machine processing.In commercially available this examples of material is AMB90 (can obtain from Element Six).This material is made of the cBN with 9 μ m mean particle sizes of the about 90 volumes-% in the aluminium vitrified bond.Similarly, the U.S. Patent number 4,666,466 (all being attached to this paper as a reference) of authorizing Wilson has been described mixture by metallic aluminium and cBN powder and is reacted under high pressure and hot conditions to form and have intergranular AIN of the cBN of being dispersed in and AlB
2The prepared material of sintered compact.This method provides has the good relatively toughness and the material of wear-resistant grinding abrasion, but it does not solve the requirement of anti-chemistry and anti-adhesive abradability fully, and described requirement is required at the heavy mach real best materials that is used for cast iron.
Many reference teaches are arranged diverse ways come to improve the anti-chemical abrasion of high cBN content PCBN material by the change of binding agent phase.Authorize people's such as Yazu U.S. Patent number 4,343,651 (all being attached to this paper as a reference) have been described the PCBN composition, described PCBN composition has and the size of particles of the 80-95 volume-% of binding agent phase sintering CBN and the aluminum compound less than 10 μ m, described binding agent comprises at least a binder material mutually, described binder material is selected from the carbide by IVb in the periodictable and Vb group 4 transition metal, nitride, and carbonitride, the group that its mixture and their solid solution compound are formed; Wherein, the content of aluminium is 5 to 30 weight-% in the matrix, and wherein, the particle in matrix has the size less than a micron.Authorize people's such as Nakai U.S. Patent number 4,389,465 (all being attached to this paper as a reference) and described a kind of sintered combined, described sintered combined form less than the cBN of 5 μ m by the size of particles of 20-80 volume-% basically and rest parts by Al
2O
3Form.Authorize people's such as Ueda U.S. Patent number 4,619,698 (all being attached to this paper as a reference) have been described the PCBN material that has 75-97 weight-%cBN at binding agent in mutually, described binding agent is by the TiC of 1 to 20 weight % and/or being selected from by CoAl of TiCN and 1 to 20 weight-%, NiAl, (Co, Ni) compound of the group of Al composition constitutes.
As more example, authorize people's such as Nakai U.S. Patent number 4,911,756 (all being attached to this paper as a reference) have been described a kind of sintered combined, and described sintered combined mixture that comprises the binding agent of the cBN of about 50 to 75 percent by volumes and about 25 to 50 percentage ratios by sintering obtains, and described binding agent comprises 20 to 50 weight-% Al and 4 tungsten to 40 weight-%, all the other are by the IVa of periodictable, the carbide of Va and VIa family, nitride and carbonitride constitute.
Authorize people's such as Nakai U.S. Patent number 5,034,053 (all being attached to this paper as a reference) described a kind of PCBN material, described PCBN material is included in the cBN of the 45-75% volume-% of binding agent in mutually, described binding agent is made up of the aluminium of 5-25 weight %, and all the other are at least a by (Hf
1-zM
z) the expressed compound of C, wherein M is the IVa that is selected from by the periodictable except Hf, the element of the group that Va and VIa family are formed, and, wherein satisfy the condition of 0＜=z＜=0.3.Authorize people's such as Fukaya U.S. Patent number 5,041,399 (all being attached to this paper as a reference) have been described a kind of PCBN material, described PCBN material comprises the cBN of 20-70 volume-% by sintering and the powdered mixture of adhesive powder obtains, described adhesive powder comprises the aluminium of 2-20 weight-%, the tungsten of 2-20 weight-%, all the other are planted the Ti compound by one or more and are formed, and described Ti compound is selected from by TiN
z, Ti (C, N)
z, TiC
z, (Ti, M) N
z, (Ti, and M) (C, N)
zAnd (Ti, M) C
zThe group of forming, wherein M represents transition metal or belong to the IVa of periodictable except that Ti, any element of Va and IVa family, and wherein z is in 0.1 to 0.4 scope, described binding agent also comprises the Al with at least a form in the compound of Al and Al and Ti, and with W, the W of at least a form in the compound of WC and W and Ti, wherein said Ti is for transition metal or comprise the IVa that belongs to periodictable of Ti, the atomic ratio of any metallic element of Va and IVa family (atomic ratio) is at least 2/3 and be not more than 97/100, and wherein the cBN crystal by bondingly mutually combining mutually by the binding agent in described sintered compact is formed.
Authorize people's such as Ueda U.S. Patent number 5,328,875 (all being attached to this paper conduct) have been described a kind of PCBN material, and wherein the cBN particles dispersed is in the binding agent Xiangli, described binding agent is by the decomposition reaction phase composite of 20-48 volume-%, and described decomposition reaction derives from mutually by cBN and Ti
2-3AlC, Ti
2-3AlN and Ti
2-3One or more kinds of AlCN also comprise the reaction of oxygen, and described decomposition reaction comprises TiC mutually, TiN, one or more kinds and the Al of TiCN
2O
3With one or more kinds of AlN, and TiB
2, and the crystal grain size among wherein bonding phase (bonding phase) and the cBN is less than 1 micron.
Authorize people's such as Yao U.S. Patent number 5,830,813 (all being attached to this paper as a reference) have been described a kind of method that is used to make the PCBN material, described method comprises the steps: to form cBN crystalline mixture, be selected from the refractory material powder of the group of forming by titanium carbonitride and titanium aluminum carbonitride, cobalt source and aluminium source; In 1100 ° to 1250 ℃ temperature range, with at least a portion of ammonia treatment mix ingredients; And at high temperature, the described mixture of sintering under the condition of high voltage.
Authorize people's such as Collier U.S. Patent number 6,331,497 (all being attached to this paper as a reference) have been described a kind of cutting tool, and described instrument comprises that the cBN granular size is the polycrystalline cBN and binding agent body mutually of 10 to 17 μ m, and described binding agent comprises being selected from by TiB2 of 2-15 weight-% mutually, aluminium diboride, titanium carbide, titanium nitride, titanium carbonitride, titanium aluminum carbonitride and (Ti
xM
y) material of the group formed of CN, wherein said alloyed metal M can be a silicon, chromium, and cobalt, tungsten, one or more in the tantalum are planted, and the ratio of alloyed metal and titanium, and y/x is in from 0.05 to 0.3 scope; The impregnant (infiltrant) that comprises aluminium and/or silicon; With the diamond that in described impregnant, is used for forming silicon carbide more than stoichiometry for described silicon.
Japanese patent application publication No. 07-082031 (all being attached to this paper as a reference) discloses sintered combined of a kind of cBN, described composite members is made up of the cBN of the 10-70 volume-% in the bonding phase (binding phase), described bonding is by the alumina (oxide compound of aluminium) with 1 micron or littler particle dia of 5-30 volume-%, nitrogenize/aluminum boride of 3-20 volume-%; Carbonization/titanium nitride of 10-40 volume %, and the titanium boride of 3-20 volume-% is formed.This according to reports sintered combined is better than traditional product, has longer work-ing life, for example, and improved fracture toughness property, thermal-shock resistance, resistance to chipping (chipping resistance), and oxidation-resistance.
In Japanese patent application publication No. 08-126903 (all being attached to this paper as a reference), another kind of cBN sintered compact with improved abrasion resistance is disclosed.This cBN sintered compact comprises carbonization/titanium nitride of 20-40 volume-%, the aluminium nitride of 1-5 volume-%, the titanium boride of 3-7 volume-%, the aluminum oxide of 3-15 volume-%, all the other are made up of cBN, and wherein the zone of cBN particulate at least 60% (area) interosculates.
Japanese patent application publication No. 2000-247746A and 2000-218411A (all being attached to this paper as a reference) disclose a kind of PCBN material, the granular size that described material has 30-90 volume-% is lower than the cBN of 1 μ m, the mean particle size of 10-70 volume-% is the cBN of 2-10 μ m, and the binding agent phase of 4-65 volume-%, described binding agent is by AlN, Al
2O
3, IVa, Va, and/or the boride of the metal of VIa family from the mutually consanguinity non-boride compound of periodictable, and constitute from least a element of the VIII family of periodictable.Though described cBN mixture comprises the thicker particle of a part, the volume averaging granular size of final composite members must be about 1 μ m.
Japanese patent application publication No. 08-109070A (all being attached to this paper as a reference) discloses a kind of PCBN material, described material＞85% by cBN and Al
2O
3, the cBN of 30-80 volume-% constitutes, and all the other be the binding agent phase, and described binding agent is by titanium nitride, aluminium nitride and unavoidable impurities composition.In final composite members, cBN content is between 30-80 volume-%.
Japanese patent application publication No. 59-153851A (all being attached to this paper as a reference) discloses a kind of PCBN material, and described PCBN material is by the cBN by 50-70 weight-%, the Al of 10-20 weight-%
2O
3, the TiN of 8-18 weight-%, the aluminium powder form of 8-10 weight-%, and the high pressure of the mixture that constitutes of the Si powder of 2-4 weight-% and temperature sintering and obtain.
Therefore, though realized some improvement by foregoing method,, the demand to the heavy mach optimized cutting tool material that is used for iron casting is still arranged.What describe below is at the PBCN material that has shown improved performance aspect the machining cast iron.
Summary of the invention
Sintered cubic boron nitride (cBN) composite members that is used for instrument is by sintering (i) cubic boron nitride, (ii) aluminum oxide, (iii) one or more plant refractory metal compounds, and (iv) aluminium and/or one or more mixture of planting the non-oxidized substance aluminum compounds obtains.Described sintered compact has enough intensity and the next form with integral body of toughness, that is, the form of non-carbide supported, as tool material, and particularly useful in the heavy machine processing of cast iron.
According to an embodiment, sintered cubic boron nitride (cBN) composite members with cBN part and non-cBN part that is used in the instrument is to obtain by the following mixture of sintering: (i) about 71 to about 93 weight-% cBN; (ii) about 1 to about 20% aluminum oxide; (iii) one or more of about by weight 3 to about 26% are planted the refractory metal compound; And (iv) about by weight 3 to about 20% non-oxidized substance aluminum compound source.Described refractory metal compound can comprise that one or more kinds have formula M Z
(1-x)Compound, wherein Z is selected from by C, B, or N, or its group of being formed of combination, M is the metal from the IV-VI family of periodictable, and x is the number between 0.01 to 0.99.Second type refractory metal compound can have formula M C
(1-x)N
x, TiC for example
(1-x)N
xThe refractory metal compound of the third type comprises that two or more have formula MZ or MZ
2Combination of compounds or sosoloid.Aluminium content in sintered combined the non-cBN part can surpass the about 30 weight-% of whole composite members, although other combinations also are possible.
In another embodiment, the agglomerating cBN composite members with cBN part and non-cBN part that is used in the instrument obtains by the following mixture of sintering: (i) about 50 to about 93 weight-% cBN nitride, alternatively, has multi-modal (multimodal) particle size dispersion, (ii) about 1 to about 30% aluminum oxide, (iii) one or more of about by weight 3 to about 46% are planted the refractory metal compound, the carbide of the IV-VI family of periodictable for example, nitride, boride, and/or carbonitride, described compound can comprise its mixture and/or sosoloid, and (iv) about by weight 3 to about 30% one or more plant non-oxidized substance aluminum compound sources, wherein the total aluminium content in the non-cBN part of mixture surpasses the about 10 weight-% of described composite members.
More embodiment relates to sintered combined the method that is used to make above-mentioned embodiment.
Brief Description Of Drawings
Fig. 1 is behind the big industrial foundry goods of machining, the photo of the rubstrip of prior art inserts (insert) (wear land).
Fig. 2 is behind the machining big industrial foundry goods identical with Fig. 1, the photo of the rubstrip of the inserts of producing according to one embodiment of the invention.
Describe in detail
Before describing composition of the present invention and method, should understand the specific technique that the present invention is not limited to description, form, or method, because these may change. Also should understand, used term only is in order to describe the purpose of specific pattern (version) or embodiment in this specification, and is not intended to limit scope of the present invention, and described scope will only be limited by appended claim.
Must be noted that equally, as employed in this paper and the appending claims, " a, " of singulative, " an " and " the " comprises plural reference, unless context has clear in addition. Therefore, for example, mention that " metal " (a " metal ") refers to one or more of metals and the equivalent known to those skilled in the art thereof, etc.
Unless otherwise defined, the employed used technology of this paper has the implication identical with those of ordinary skills' general understanding with scientific terminology. Although content class any and described herein like or the method that is equal to and material can be used to embodiment of the present invention enforcement and test in,, what describe now is preferred composition, method, equipment and material. All publications of mentioning at this by all in conjunction with entering this paper as a reference. Because invention formerly, this paper does not have content can be interpreted as admitting that the present invention did not have than so open more Zao invention date.
According to an embodiment, sintered cubic boron nitride (cBN) composite members with cBN part and non-cBN part that is used in the instrument obtains by the mixture below the sintering: (i) about 70 to about 93 weight-% cBN; (ii) about 1 to about 20% aluminum oxide; (iii) about 3 to about 26% one or more of refractory metal compounds by weight; And (iv) about 3 to about 20% non-oxidized substance aluminium compound source by weight. Described refractory metal compound can one or more ofly comprise having formula M Z(1-x)Compound, wherein Z is selected from by C, B, or N, or its group that forms, M are the metals from the IV-VI family of periodic table, and x is the number between 0.01 to 0.99. The refractory metal compound of the second type can have formula M C(1-x)N
x, TiC for example(1-x)N
x The refractory metal compound of the third type comprises that two or more have formula M Z or MZ2Combination or the solid solution of compound. Described compound can be the combination of single compound or compound, for example is selected from by TiC TiN, TiB2, and TiC(1-x)N
xThe mixture of at least bi-material of the group that forms. Also can use other suitable compounds. Aluminium content in the non-cBN part of composite members can comprise about 10 weight of composite members-% or more, although other compositions also are possible. In one embodiment, the aluminium content in the non-cBN of the composite members part can comprise about 30 weight of whole composite members-% or more.
In another embodiment, mixture can comprise about 71 to about 93 weight-% cBN, and in another embodiment, mixture can comprise about 73 to about 93 weight-% cBN.Similarly, in one embodiment, the content of aluminum oxide can be about 3 to about 15%.Equally, the embodiment of described mixture can comprise about by weight 8 to about 20% one or more plant refractory metal compounds.In addition, described mixture embodiment also can comprise about by weight 3 to about 15% non-oxidized substance aluminum compound source.Other scopes of every kind of material in described mixture are possible.
In another embodiment, the sintering cBN composite members with cBN part and non-cBN part that is used in the instrument obtains by the following mixture of sintering: (i) about 50 to about 93 weight-% cBN nitride, alternatively, has the multi-modal particle size dispersion, (ii) about 1 to about 30% aluminum oxide, (iii) one or more of about by weight 3 to about 46% are planted the refractory metal compound, the carbide of the IV-VI family of periodictable for example, nitride, boride, and/or carbonitride, described compound can comprise its mixture and/or sosoloid, and (iv) about by weight 3 to about 30% non-oxidized substance aluminum compound source, wherein the total aluminium content in the non-cBN part of described mixture surpasses about 10 weight-%.As embodiment, in one embodiment, described carbide, nitride, boride and carbonitride are to have formula TiC
(1-x)N
xCarbonitride, or they can comprise and are selected from by TiC TiN, TiB
2, and TiC
(1-x)N
xAt least two kinds of mixtures of material of the group of being formed.In each case, x is the number between 0.01 and 0.99.
In a kind of variation scheme (variant), the cBN in the mixture can have the particle size dispersion of bimodal or multi-modal.Yet, other distributions, for example substantial uniform distribution (substantially homogenous distribution) and lip-deep stochastic distribution (seemingly random distribution) they are possible.
Can be by prepared by any suitable process and sintering mix.For example, can mix various ingredients with solvent and/or other suitable blending agents.One suitable period should take place to mix these materials up hill and dale in mixing, for example to the material mixing of 1000g jar (jar) a hour.Admixture of powder material (blend) can mix by multiple technologies before sintering, and described technology includes, but not limited to for example ultrasonic mixing, and ball mill mixes, and runner milling (attrition mill) mixes and be like that.The selection of hybrid technology may be subjected to will being incorporated into some material in the mixture or not allowing some material enter the influence of mixture requirements.The embodiment of these materials can comprise from the fragment of (milling) medium ball of milling (for example, from WC abrading-ball (milling ball) wolfram varbide fragment).Correspondingly, be in the embodiment of integral part at wolfram varbide (tungsten is the member of cycle Table VI family), can be used to introduce a fraction of at least wolfram varbide content with the wolfram varbide media mill.Non-oxidized substance aluminium can derive from and be placed with the paper tinsel that contacts with powdered mixture in sintering process or the metallic aluminium of other solid forms.
Mill (also promptly, mix) can get off to carry out through the existence of be everlasting solvent or more kinds of solvents, described solvent for example, for instance, Virahol or other alcohols, ketone, and/or other solvents.Preferably, described solvent can easily be removed, and does not promote the unwanted oxidizing reaction of the metal-powder of being milled.The temperature of milling can be room temperature room temperature or non-, and the time can be in the scope of several hrs or more hours.The size that depends on mixing device, blended mixts be can be at about 100g in the scope of about 2kg on the capacity, or littler or greatly.
Described blended mixts can be dried and desolvate to remove, preferably in the temperature that is lower than solvent (for example, Virahol, acetone) flash-point.The powder that is dried can be sized by 20-order (or other suitable sieves), to remove big agglomerate (agglomerate).Use any suitable high pressure/high temperature (HP/HT) technology and equipment, for example known and discussed above and in those technology in the prior art that the application's background parts is quoted, can come the described powder that is dried of sintering.For example, powder can be loaded in the graphite or refractory metal or other cup (cup) (for example, Ta or Nb) in.Described cup can be loaded in the pressurizing chamber and stand high pressure (for example about 25 to about 75 kilobars) and the one suitable period of high temperature (for example being higher than about 1000 ℃) (for example about 30 to about 40 minutes), come the described powdered mixture of sintering to become consistent composite members (coherent compact), and, if necessary, it is brazed on the matrix.Other pressure and temperatures may promote the HP/HT sintering, as will being one of ordinary skill in the art will recognize that.Propping material (powder or composite members) can be loaded into and be used in the cup in position in conjunction with sintered combined, and is as be known in the art.Suitable matrix comprises, for example, and the carbide of refractory metal (for example, tungsten).Optionally, described composition can be sintered into the form of non-carbide supported, or, as among all embodiment that are described below, the form of solid-state non-support.In one embodiment, the agglomerating composite members can have the particle size dispersion of bimodal or multi-modal, although other distribution is possible.The size of described cup has limited final sintered combined size.
Can use any suitable sintering method, for example the background parts at this file retraces the HP/HT method of stating.In the agglomerating process, binding agent mutually mutually between react with and generate carbide with the cBN chemical reaction, nitride, carbonitride, oxide compound, oxynitride, and boride (AlB for example
2, AlN, TiB
2).The sintering of described mixture may also generate the hybrid metal carbide, nitride, and carbonitride, oxide compound, oxynitride, and boride, (TiAlN for example, WCoB).By x-ray diffraction technique, in sintered combined, can detect and determine that these mutually.Sintering blank (blank) can shift out from the chamber and by machining or otherwise design (formulated) to remove glass material and to make it become the size that needs.
The blank of finishing if fully conduct electricity, just can be cut into the shape and the size that are suitable for the cutting tool manufacturing.Suitable cutting method comprises electrodischarge machining(E.D.M.) (EDM) and additive method.Such instrument can be used to machining powder metal iron and/or other materials.If insufficient conduction can be used laser cutting to produce to be used for instrument and make needed shape.The size of described sintering blank and shape can change by the size that changes member (component), and mainly are subjected to being used for promoting the restriction of the HP/HT equipment of described sintering process dimensionally.
Point out that as top composite members can have the particle size dispersion of bimodal or multi-modal.For example, in one embodiment, sintered combined thick part with cBN of about 40% to about 80%, and the thin part of about 20% to about 60% cBN, wherein (i) described thick part has about 5 to about 30 μ m mean particle size, (ii) described thin part has about 0 to the mean particle size of about 10 μ m, and the ratio of the mean particle size of (iii) described thick part and the mean particle size of described thin part is about 2: 1 or bigger.Other size distribution is possible.
Described agglomerating cBN composite members may be useful in formation instrument and instrument mosaic, and described instrument and instrument mosaic for example are used in the machining application.For example, the embodiment of described cBN composite members can be used in the heavy machine processing of cast iron or other chemical reactivity materials.As used herein, " heavy machine processing (heavy machining) " refers to the application of the big relatively depth of cut of use, and described depth of cut often meets or exceeds 0.10 inch.In embodiments, sintering cBN composite members can be used with the machine cast pig iron material, and described material and cBN are chemically reactive, and described material is for example cast white pig iron, keeps big depth of cut and fast speeds simultaneously.
Some embodiments of sintering cBN composite members described herein may be useful at the big forging of machining, pump case or pump impeller that described big forging is for example used always in mining industry (for example, oil production or the like).The tolerance that relatively cBN described herein is sintered combined is the work-ing life of instrument, described work-ing life be by become by mach metallic surface smooth finish unacceptable before the mach amount that can finish of described instrument decide.Second tolerance is the maximum machining speed with surface feet/minute expression, and in application, described tool material can be with this speed operation.Machining speed is a factor that influences material removal rate, and therefore influences the whole part manufacturing cost.Several embodiment of the embodiment of sintered combined of cBN described herein have been tested, and find that these embodiment are better greater than 2 to 1 multiple than business-like composite members in the performance aspect life tools, and can make machining speed increase similar 50%.
Although described the present invention with reference to preferred embodiment, it should be appreciated by those skilled in the art, do not depart from the scope of the present invention, can make various variations and its element can be equal to replacement.In addition, can make many changes adapting to special situation or material to instruction of the present invention, and not break away from base region of the present invention.For example, though all following embodiment use titanium compound at binding agent in mutually, well-known for those skilled in the art is that other metals in the IV-VI family of periodictable can replace titanium, and the influence of minimum is arranged on machinability.Therefore, be intended that the present invention and be not limited to imagination and be used to put into practice the disclosed specific embodiment of optimal mode of this invention, but the present invention will comprise fall into all embodiments in the additional claim scope.All references mentioned in this article is incorporated into this paper as a reference clearly at this.
Embodiment
In an embodiment, two standardized machining tests on the white cast iron workpiece, have been carried out.White pig iron with different stage carries out the PCBN material of described two experiments with assessment covering wide scope with different machining conditions, and described PBCN material can be seen in different industrial application.Best tool material should all show in two kinds of standardized tests well.The condition of stdn testing sequence provides in table 1.Tool performance determines by the wearing and tearing of measuring on instrument back after the linear inch of about 25,000 workpiece of machining, and with per 0.001 " flank wear (flank wear) be that unit is reported below by mach linear inch.From the primary tolerance of the mean value of testing the A and the linear inch of per 0.001 inch flank wear of test B as tool performance.
Table one
| Test A | Test B | |
| Workpiece is formed | All the other Fe of 2.0-2.8%C 24-28%Cr 0.6-0.9%Si | All the other Fe of 2.5%-3.3%C 16-22%Cr 1.0-3.0%Mo 1.5-2.0%Mn |
| Speed (surface feet/minute) | 600 | 350 |
| Tool geometries | RNG-432 | RNG432 |
| Speed of feed (inch/commentaries on classics) | 0.015 | 0.015 |
| Depth of cut (inch) | 0.010 | 0.040 |
(all the other are vitrified bond to the cBN composite members of embodiment 1-comparative example commodity in useization, mainly by AlN and AlB for Secomax CBN300, the cBN with 15 μ m granular sizes of～82 volumes-%
2Constitute Seco Toos AB, Sweden) carry out standardized machining test.In this embodiment, the material of test looks like according to the instruction of prior art and makes.The test A in, per 0.001 inch flank wear, the material machining 875 linear inches (linearinch), the test B in, per 0.001 inch flank wear, machining 1230 linear inches, provide average behaviour score 1053.
The cBN composite members of embodiment 2-comparative example commodity in useization (BZN 7000, the cBN of～82 volumes-% with 15 μ m granular sizes, and all the other are vitrified bond, mainly by AlN and AlB
2Constitute Diamond Innovations, Inc., Wo Xindun, Ohio) carry out standardized machining test.The test A in, per 0.001 inch flank wear, the material machining 760 linear inches, the test B in, per 0.001 inch flank wear, the material machining 1827 linear inches, provide average behaviour score 1294.
Embodiment 3-comparative example average particle size is less than titanium carbide (TiC) powder of about 3 μ m, average particle size is that aluminium powder (Al) and the average particle size of 5 μ m is the cBN powder of 12 μ m, according to the cBN of 71 weight-%, the TiC of 15% weight-%, the ratio of the Al of 14 weight-% is weighed up.Described component by adopt Virahol as blending agent in the polyethylene jar, roll (tumbling) mixed in one hour.Under the temperature of the flash-point that is lower than described alcohol dry by the mixture of blend to remove described alcohol.The powder that is dried is removed big agglomerate and is loaded in the graphite cup through the sieve screening of 20-purpose.Described cup is loaded in the pressurizing chamber and stands high pressure (45-50 kilobar) and high temperature (about 1400 ℃) 30 to 40 minutes, comes the described powdered mixture of sintering to become the composite members of unanimity.
In described embodiment, sintered combined the mean size by about 72 volumes-% is that about 15 microns cBN particle constitutes for the material by the vitrified bond phase composite with all the other.Described binding agent comprises several phases mutually, and described several the evaluation through x-ray diffraction technique comprises titanium carbide, aluminium nitride, and aluminium diboride.Latter two forms by the reaction of blended powder component and cBN in sintering process.
Be to make the RNG-432 inserts, it is the disk of 0.5-inch that the sintering blank is machined to the thick and laser cutting of 4.8mm.From the inserts of this material in test A per 0.001 inch flank wear machining 1046 linear inches, in test B per 0.001 inch flank wear machining 408 linear inches, provide average behaviour score 727.In this embodiment, described test composite members is according to the instruction manufacturing according to prior art.
Embodiment 4-comparative example is in the mode described in the embodiment 3, and from the TiN by 15 weight-%, the average particle size of the Al of 14 weight-% and 71 weight-% is that the powder blend that cBN constituted of 12 μ m is made sintered combined of cBN.In sintering process, Al powder and a part of TiN and cBN reaction form TiB
2, TiN, AlN and AlB
2, as what identified by sintered combined X-ray diffraction analysis.From the inserts of this material in test A per 0.001 inch flank wear machining 1908 linear inches, in test B per 0.001 inch flank wear machining 653 linear inches, provide average behaviour score 1281.In this embodiment, described test composite members is according to the instruction manufacturing of prior art.
Embodiment 5-embodiment of the present invention is in the mode described in the embodiment 3, from TiC by 2.6 weight-%, and the TiN of 2.6 weight-%, the Al of 2.6 weight-%
2O
3, the average particle size of the Al of 11.5 weight-% and 80.7 weight-% is that the powder blend that the cBN of 12 μ m constitutes is made sintered combined of cBN.Because Al
2O
3The element aluminum that contains 53 weight-%, total aluminium content of the non-cBN part of described powdered mixture is 67 weight-%.Sintered combined X-ray diffraction analyzing and testing has arrived cBN, TiN, TiC, TiB
2, AlN and Al
2O
3Existence.From the inserts of this material in test A per 0.001 inch flank wear machining 1712 linear inches, in test B per 0.001 inch flank wear machining 1044 linear inches, provide average behaviour score 1378.In the binding agent of described invention material, carbide, nitride, the mixture of boride and aluminum oxide have generated on performance the control material that surpasses among the embodiment 3 almost 100% and PCBN that surpasses the control material about 8% among the embodiment 4.
Embodiment 6-embodiment of the present invention is in the mode described in the embodiment 3, from TiC by 7 weight-%, and the Al of 15 weight-%
2O
3, the average particle size of the Al of 7 weight-% and 71 weight-% is that the powder blend that the cBN of 12 μ m constitutes is made sintered combined of cBN.Total aluminium content in the non-cBN part of described powdered mixture is 52 weight-%.From the inserts of this material in test A per 0.001 inch flank wear machining 2800 linear inches, in test B per 0.001 inch flank wear machining 1101 linear inches, provide average behaviour score 1951.The result shows, works as Al
2O
3Be added to U.S. Patent number 6,331, in the time of in 497 compositions of being instructed, performance improves.Should be noted in the discussion above that this material surpasses at commercially available best PCBN (for example, the BZN7000 among the embodiment 2) 50% on performance.
Embodiment 7-Comparative Examples is in the mode described in the embodiment 3, from TiN by 7 weight-%, and the Al of 15 weight-%
2O
3, the powder blend that the cBN of the average particle size 11 μ m of the Al of 7 weight-% and 71 weight-% constitutes is made sintered combined of cBN.From the inserts of this material in test A per 0.001 inch flank wear machining 2980 linear inches, in test B per 0.001 inch flank wear machining 777 linear inches, provide average behaviour score 1879.This material shows very goodly in test A, and still the performance in test B has shown needs to improve.In this embodiment, underproof composition is according to the instruction of prior art preparation.
Embodiment 8-embodiment of the present invention is in the mode described in the embodiment 3, from TiC by 2.6 weight-%, and the TiN of 2.6 weight-%, the Al of 2.6 weight-%
2O
3, the powder blend that the cBN of the Al of 11.5 weight-% and 80.7 weight-% constitutes is made sintered combined of cBN.In this embodiment, the cBN powder has bimodal particle size distribution, and the average particle size and 40% that 60% cBN has 12 μ m has the average particle size of 3 μ m.Total aluminium content in the non-cBN composition of powdered mixture is 67 weight-%.Sintered combined X-ray diffraction analyzing and testing has arrived cBN, TiN, TiC, TiB
2, AlN and Al
2O
3Existence.From the inserts of this material in test A per 0.001 inch flank wear machining 1938 linear inches, in test B per 0.001 inch flank wear machining 2137 linear inches, provide average behaviour score 2038.The embodiment 5 that has easily observed and provided average behaviour score 1378 compares, the beneficial effect on performance that is brought by the bi-modal distribution that adopts the cBN granular size.
Embodiment 9-embodiment of the present invention is in the mode described in the embodiment 3, from TiC by 6.1 weight-%, and the TiN of 10.1 weight-%, the Al of 2.6 weight-%
2O
3, the powder blend that the cBN of the Al of 8.0 weight-% and 73.2 weight-% constitutes is made sintered combined of cBN.In this embodiment, the cBN powder has bimodal particle size distribution, and the average particle size and 40% that 60% cBN has 12 μ m has the average particle size of 3 μ m.Total aluminium content in the non-cBN composition of powdered mixture is 35 weight-%.Sintered combined X-ray diffraction analyzing and testing has arrived cBN, TiN, TiC, TiB
2, AlN and Al
2O
3Existence.From the inserts of this material in test A per 0.001 inch flank wear machining 2462 linear inches, in test B per 0.001 inch flank wear machining 2766 linear inches, provide average behaviour score 2614.Except the bimodal effect of mentioning in example 8, the chemical-resistant beneficial effect of carefully selecting binding agent to form to improve tool material is tangible from this embodiment.
The commercially available Secomax CBN300 of embodiment 10-comparative example inserts stands industrial heavy machine processed and applied with the identical step of using description in embodiment 8 and the additional inserts of composition manufacturing of the present invention.The inserts of every kind of material is used to big white pig iron industry foundry goods (28%Cr) of machining.Machining is to carry out under the speed of per minute 467 surface feet and the depth of cut from 0.070 inch to 0.120 inch variation.Fig. 1 has shown that in machining the rubstrip on Secomax CBN300 inserts (wear land), Fig. 2 have shown the rubstrip on one embodiment of the invention after the identical foundry goods of machining after in the big white pig iron foundry goods one.Thus, we have found that the embodiment of tool material of the present invention is better than commercially available material.
Claims
(according to the modification of the 19th of treaty)
Revised comment
Receive by international office on June 28th, 2005 (28.06.2005); Deleted primary claim 7-11 and 17-21, other claims are not revised and are renumberd into 1-11 (totally 4 pages of original texts).
1. have the composite members of cubic boron nitride (cBN) part and non-cBN part, described composite members comprises:
(a) cBN between about 71 to about 93 volumes-%;
(b) aluminum oxide between about 1 to about 20 volumes-%;
(c) one or more between about 3 to about 26 volumes-% are planted the refractory metal compound, and described refractory metal compound is selected from the group of being made up of following:
I. has formula M Z
(1-x)Compound;
Ii has formula M C
(1-x)N
xCompound; And
Iii. two or more combination of compounds or sosoloid, each of described compound all has formula M Z or MZ
2
Wherein:
Z is selected from by C, B, and the group that N and its combination are formed, M is any one metal from the IV-VI family of periodictable, and x is the number between 0.01 to 0.99; And
(d) one or more non-oxidized substance aluminum compound sources between about 3 to about 20 volumes-%;
The content of the aluminium in wherein said sintered combined the non-cBN part surpasses about 30 weight-%.
2. composite members as claimed in claim 1, wherein said one or more kind refractory metal compounds comprise at least a TiC
(1-x)N
x, or at least two kinds be selected from by TiC TiN, TiB
2, TiN
(1-x)And TiC
(1-x)N
xThe mixtures of material of the group of being formed, wherein x is the number between 0.01 to 0.99.
3. composite members as claimed in claim 1, wherein said cBN has particle size dispersion, and described particle size dispersion is bimodal at least.
4. composite members as claimed in claim 3 has the thick part that comprises about 40% to about 80% described cBN and comprises the thin part of about 20% to about 60% described cBN;
Wherein said thick part has about 5 to about 30 μ m mean particle size, and described thin part has about 0 to about 10 μ m mean particle size; And
The described mean particle size of wherein said thick part is about 2: 1 or bigger with the ratio of the described mean particle size of described thin part.
5. composite members as claimed in claim 1, wherein said composite members are non-carbide supported forms.
6. composite members as claimed in claim 1 wherein forms one or more at least a portion of planting the aluminium of non-oxidized substance aluminum compounds and derives from and be placed with the paper tinsel that contacts with powdered mixture in sintering process or the metallic aluminium of other solid forms.
7. make sintered combined method with cubic boron nitride (cBN) part and non-cBN part, described method comprises:
(A) prepare mixture, described mixture comprises:
(a) cBN between about 71 to about 93 volumes-%;
(b) aluminum oxide between about 1 to about 20 volumes-%;
(c) one or more between about 3 to about 26 volumes-% are planted the refractory metal compound, and described refractory metal compound is selected from:
I. has formula M Z
(1-x)Compound;
Ii. has formula M C
(1-x)N
xCompound; And
Iii. two or more combination of compounds or sosoloid, each of described compound all has formula M Z or MZ
2, wherein:
Z is selected from by C, B, and the group that N and its combination are formed, M is the metal from the IV-VI family of periodictable, and x is the number between 0.01 to 0.99; And
(d) about 3 to the metallic aluminium source of about 20 volumes-%;
Total aluminium content in the described non-cBN part of wherein said powdered mixture surpasses about 30 weight-%; And
(B) make described mixture stand high temperature and high pressure (HP/HT) condition to generate sintered combined.
8. method as claimed in claim 7, wherein said HP/HT condition comprise about 25 to pressure and about 1000 ℃ or higher temperature between about 75 kilobars.
9. method as claimed in claim 7, wherein said cBN has particle size dispersion, and described particle size dispersion is bimodal or multi-modal.
10. method as claimed in claim 9, wherein:
The thin part of described sintered combined thick part with described cBN of about 40% to about 80% and about 20% to about 60% described cBN;
Wherein said thick part has about 5 and has about 0 to about 10 μ m mean particle size to about 30 μ m mean particle sizes and described thin part; And
The described mean particle size of wherein said thick part is about 2: 1 or bigger with the ratio of the described mean particle size of described thin part.
11. method as claimed in claim 7 comprises that also the aluminium of placing paper tinsel or other solid metal forms is to contact with described powdered mixture in the sintering process neutralization.
Claims (21)
1. have the composite members of cubic boron nitride (cBN) part and non-cBN part, described composite members comprises:
(a) cBN between about 71 to about 93 volumes-%;
(b) aluminum oxide between about 1 to about 20 volumes-%;
(c) one or more between about 3 to about 26 volumes-% are planted the refractory metal compound, and described refractory metal compound is selected from the group of being made up of following:
I. has formula M Z
(1-x)Compound;
Ii. has formula M C
(1-x)N
xCompound; And
Iii. two or more combination of compounds or sosoloid, each of described compound all has formula M Z or MZ
2
Wherein:
Z is selected from by C, B, and the group that N and its combination are formed, M is any one metal from the IV-VI family of periodictable, and x is the number between 0.01 to 0.99; And
(d) one or more non-oxidized substance aluminum compound sources between about 3 to about 20 volumes-%;
The content of the aluminium in wherein said sintered combined the non-cBN part surpasses about 30 weight-%.
2. composite members as claimed in claim 1, wherein said one or more kind refractory metal compounds comprise at least a TiC
(1-x)N
x, or at least two kinds be selected from by TiC TiN, TiB
2, TiN
(1-x)And TiC
(1-x)N
xThe mixtures of material of the group of being formed, wherein x is the number between 0.01 to 0.99.
3. composite members as claimed in claim 1, wherein said cBN has particle size dispersion, and described particle size dispersion is bimodal at least.
4. composite members as claimed in claim 3 has the thick part that comprises about 40% to about 80% described cBN and comprises the thin part of about 20% to about 60% described cBN;
Wherein said thick part has about 5 to about 30 μ m mean particle size, and described thin part has about 0 to about 10 μ m mean particle size; And
The described mean particle size of wherein said thick part is about 2: 1 or bigger with the ratio of the described mean particle size of described thin part.
5. composite members as claimed in claim 1, wherein said composite members are non-carbide supported forms.
6. composite members as claimed in claim 1 wherein forms one or more at least a portion of planting the aluminium of non-oxidized substance aluminum compounds and derives from and be placed with the paper tinsel that contacts with powdered mixture in sintering process or the metallic aluminium of other solid forms.
7. have the composite members of cubic boron nitride (cBN) part and non-cBN part, described composite members comprises:
(a) has a cBN of bimodal particle size dispersion at least between about 50 to about 93 weight-%;
(b) aluminum oxide between about 1 to about 30 weight-%;
(c) one or more kinds between about 3 to about 46 weight-% are selected from by carbide, nitride, the compound of the group that boride and carbonitride are formed, described compound is the compound of the IV-VI family of periodictable all, and composition thereof and sosoloid; And
(d) one or more between about 3 to about 30 weight-% are planted the non-oxidized substance aluminum compound;
Total aluminium content in wherein said sintered combined the described non-cBN part surpasses the about 10 weight-% of described composite members.
8. composite members as claimed in claim 7, wherein said one or more kinds are selected from by carbide, nitride, the compound of the group that boride and carbonitride are formed is described formula TiC
(1-x)N
xCarbonitride, or at least two kinds be selected from by TiC TiN, TiB
2, TiN
(1-x)And TiC
(1-x)N
xThe mixtures of material of the group of forming, wherein x is any value between 0.01 to 0.99.
9. composite members as claimed in claim 7 also comprises:
The thick part of about 40% to about 80% described cBN; And
The thin part of about described cBN of 20% to 60%;
Wherein said thick part has about 5 to about 30 μ m mean particle sizes;
Wherein said thin part has about 0 to about 10 μ m mean particle size; And
The described mean particle size of wherein said thick part is about 2: 1 or bigger with the ratio of the described mean particle size of described thin part.
10. composite members as claimed in claim 7, wherein said composite members are non-carbide supported forms.
11. deriving from, composite members as claimed in claim 7, at least a portion that wherein forms the aluminium of non-oxidized substance aluminum compound be placed with the paper tinsel that in sintering process, contacts or the metallic aluminium of other solid forms with described powdered mixture.
12. make sintered combined method with cubic boron nitride (cBN) part and non-cBN part, described method comprises:
(A) prepare mixture, described mixture comprises:
(a) cBN between about 71 to about 93 volumes-%;
(b) aluminum oxide between about 1 to about 20 volumes-%;
(c) one or more between about 3 to about 26 volumes-% are planted the refractory metal compound, and described refractory metal compound is selected from:
I. has formula M Z
(1-x)Compound;
Ii. has formula M C
(1-x)N
xCompound; And
Iii. two or more combination of compounds or sosoloid, each of described compound all has formula M Z or MZ
2, wherein:
Z is selected from by C, B, and the group that N and its combination are formed, M is the metal from the IV-VI family of periodictable, and x is the number between 0.01 to 0.99; And
(d) about 3 to the metallic aluminium source of about 20 volumes-%;
Total aluminium content in the described non-cBN part of wherein said powdered mixture surpasses about 30 weight-%; And
(B) make described mixture stand high temperature and high pressure (HP/HT) condition to generate sintered combined.
13. method as claimed in claim 12, wherein said HP/HT condition comprise about 25 to pressure and about 1000 ℃ or higher temperature between about 75 kilobars.
14. method as claimed in claim 12, wherein said cBN has particle size dispersion, and described particle size dispersion is bimodal or multi-modal.
15. method as claimed in claim 14, wherein:
The thin part of described sintered combined thick part with described cBN of about 40% to about 80% and about 20% to about 60% described cBN;
Wherein said thick part has about 5 and has about 0 to about 10 μ m mean particle size to about 30-mean particle size and described thin part; And
The described mean particle size of wherein said thick part is about 2: 1 or bigger with the ratio of the described mean particle size of described thin part.
16. method as claimed in claim 11 comprises that also the aluminium of placing paper tinsel or other solid metal forms is to contact with described powdered mixture in the sintering process neutralization.
17. make sintered combined method, comprising with cubic boron nitride (cBN) part and non-cBN part:
(A) prepare mixture, described mixture comprises:
(a) cBN between about 50 to about 93 weight-%, described cBN has the particle size dispersion of bimodal or multi-modal;
(b) aluminum oxide between about 1 to about 30 weight-%;
(c) one or more kinds between about 3 to about 46 weight-% are selected from by carbide, nitride, and the compound of the group that boride and carbonitride are formed, described compound are the compound of periodictable IV-VI family all; And
(d) the metallic aluminium source between about 3 to about 30 weight-%;
Total aluminium content in the described non-cBN part of wherein said powdered mixture surpasses the about 10 weight-% of described composite members; And
(B) make described mixture stand high pressure and high temperature (HP/HT) condition to generate sintered combined.
18. method as claimed in claim 17, wherein said HP/HT condition comprise about 25 to pressure and about 1000 ℃ or higher temperature between about 75 kilobars.
19. method as claimed in claim 17, wherein said one or more kinds are selected from by carbide, nitride, and the compound of the group that boride and carbonitride are formed comprises general formula TiC
(1-x)N
xCarbonitride, or at least two kinds be selected from TiC, TiN, TiB
2, TiN
(1-x), TiC
(1-x)N
xThe mixtures of material of group, wherein x is any value between 0.01 to 0.99.
20. method as claimed in claim 17:
The thin part of wherein said sintered combined thick part with described cBN of about 40% to about 80% and about 20% to about 60% described cBN;
Wherein said thick part has about 5 to about 30 μ m mean particle size, and described thin part has about 0 to about 10 μ m mean particle size; And
The described mean particle size of wherein said thick part is about 2: 1 or bigger with the ratio of the described mean particle size of described thin part.
21. method as claimed in claim 17 comprises that also the aluminium of placing paper tinsel or other solid metal forms is to contact with described powdered mixture in high pressure and high-temperature sintering process.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54666904P | 2004-02-20 | 2004-02-20 | |
| US60/546,669 | 2004-02-20 | ||
| PCT/US2005/005276 WO2005082809A1 (en) | 2004-02-20 | 2005-02-18 | Sintered compact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1922119A true CN1922119A (en) | 2007-02-28 |
| CN1922119B CN1922119B (en) | 2013-11-13 |
Family
ID=34910803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200580005547XA Active CN1922119B (en) | 2004-02-20 | 2005-02-18 | Sintered compact |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US7932199B2 (en) |
| EP (1) | EP1716086B1 (en) |
| JP (2) | JP2007523043A (en) |
| KR (1) | KR100843994B1 (en) |
| CN (1) | CN1922119B (en) |
| AT (1) | ATE393760T1 (en) |
| DE (1) | DE602005006389T2 (en) |
| WO (1) | WO2005082809A1 (en) |
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2005
- 2005-02-18 WO PCT/US2005/005276 patent/WO2005082809A1/en not_active Application Discontinuation
- 2005-02-18 JP JP2006554249A patent/JP2007523043A/en active Pending
- 2005-02-18 CN CN200580005547XA patent/CN1922119B/en active Active
- 2005-02-18 EP EP05723317A patent/EP1716086B1/en active Active
- 2005-02-18 AT AT05723317T patent/ATE393760T1/en not_active IP Right Cessation
- 2005-02-18 US US11/062,199 patent/US7932199B2/en active Active
- 2005-02-18 DE DE602005006389T patent/DE602005006389T2/en active Active
- 2005-02-18 KR KR1020067016635A patent/KR100843994B1/en active IP Right Grant
-
2011
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2012
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103209794A (en) * | 2010-09-08 | 2013-07-17 | 六号元素有限公司 | EDM cuttable, high CBN content solid pcbn compact |
| CN103209794B (en) * | 2010-09-08 | 2015-11-25 | 六号元素有限公司 | From polycrystal cubic boron nitride (PCBN) cutting element and the method formed from sintering PCBN cutting element of sintering |
| CN104684670A (en) * | 2012-08-31 | 2015-06-03 | 戴蒙得创新股份有限公司 | Titanium diboride composition in pcbn |
| CN105164086A (en) * | 2013-04-30 | 2015-12-16 | 六号元素有限公司 | Pcbn material, method for making same, tools comprising same and method of using same |
| CN104232964A (en) * | 2014-08-15 | 2014-12-24 | 河南黄河旋风股份有限公司 | Manufacturing method of polycrystalline cubic boron nitride |
| CN105693253A (en) * | 2014-11-28 | 2016-06-22 | 三菱综合材料株式会社 | A crystal cubic boron nitride sintered body cutting tool with excellent defect resistance |
| CN105693253B (en) * | 2014-11-28 | 2020-12-11 | 三菱综合材料株式会社 | Cubic boron nitride sintered body cutting tool having excellent chipping resistance |
| CN109206125A (en) * | 2018-10-31 | 2019-01-15 | 广州供电局有限公司 | ceramic insulator and preparation method thereof |
| CN114349517A (en) * | 2021-12-17 | 2022-04-15 | 燕山大学 | cBN-B4C composite material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| US8067323B2 (en) | 2011-11-29 |
| EP1716086A1 (en) | 2006-11-02 |
| ATE393760T1 (en) | 2008-05-15 |
| KR100843994B1 (en) | 2008-07-07 |
| EP1716086B1 (en) | 2008-04-30 |
| CN1922119B (en) | 2013-11-13 |
| US20110209414A1 (en) | 2011-09-01 |
| JP2007523043A (en) | 2007-08-16 |
| JP5680567B2 (en) | 2015-03-04 |
| US20050187093A1 (en) | 2005-08-25 |
| DE602005006389D1 (en) | 2008-06-12 |
| KR20060135763A (en) | 2006-12-29 |
| JP2012131700A (en) | 2012-07-12 |
| US7932199B2 (en) | 2011-04-26 |
| DE602005006389T2 (en) | 2009-06-10 |
| WO2005082809A1 (en) | 2005-09-09 |
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